Cita APA (7th ed.)

Emmons Willis. (2000). Evolving Bargain. Harvard Bus. School Press.

Cita Chicago (17th ed.)

Emmons Willis. Evolving Bargain. Boston: Harvard Bus. School Press, 2000.

Cita MLA (9th ed.)

Emmons Willis. Evolving Bargain. Harvard Bus. School Press, 2000.